Question

Boa noite alguém pode mim ajudar com essas equaçoes. x+8/5+x+2/2=4. x+6/3+x+8/7=6. 3(x+4/14)+2(2x+1/7)=9. v+9/3+v+5/4+v+7/5=8. Y-1/4-y-3 /5-1-2y/20. 3x9/4-5x+16/7=0. 4x+1/3-2-3x/4=26-x/6

Answer 1

2(x+8)/10+5(x+2)/10=40/10           2x+16+5x+10=40       2x+5x=40-26    7x=14     x=14/7      x=2